Engine starts up but shuts off
again.
Engine is not running smoothly,
has problems starting up
Engine runs too hot
Engine speed will not reduce
50
Fuel tank is empty
Fuel line, air filter or exhaust clogged
Carburettor not set correctly
Engine overheated
Wrong or defective glow plug
Wrong or old fuel
Contaminated air filter
Mix is too rich
Idle mix is too lean
Idle mix is too rich
Auxiliary air is sucked in via fuel line or engine
Too low pressure from exhaust line
Mix is too lean
Car body too tight
Wrong fuel
Throttle stop screw is misadjusted
Engine draws auxiliary air
One or several sealing rings at the carburettor are defective
Fill fuel tank
Clean clogged parts, replace if required
Re-set idle and main nozzle needle
Check the temperature. The fuel mix must be enriched above 150°C.
Check if wheels can turn freely.
Insert the required flow plug
Fill in the specified fuel
Wash it, then use air filter oil
Set the main nozzle needle to a leaner mix
Reset the idle mix adjustment screw to the factory setting
Reset the idle mix adjustment screw to the factory setting
Check/replace the fuel hoses and/or tighten all engine screws
Check exhaust line and replace if required
Set the main nozzle needle to a richer mix
Ensure sufficient air supply and removal to/from the engine by cutting
out the car body accordingly
Use fuel for RC cars only
Reset the throttle stop screw to the factory setting
Check and re-tighten all engine screws
Replace the defective sealing rings